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Note 7 - Revenue from Contracts with Customers - Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Noninterest income from contracts with customers within the scope of ASC 606	$ 1,830	$ 1,260	$ 4,111	$ 2,406
Noninterest income within the scope of other GAAP topics	4,922	769	6,573	1,380
Total noninterest income	6,751	2,029	10,683	3,786
Service Charges and Fees on Deposit Accounts [Member]
Noninterest income from contracts with customers within the scope of ASC 606	647	670	1,656	1,297
Interchange Income [Member]
Noninterest income from contracts with customers within the scope of ASC 606	755	478	1,591	884
Investment Commission Income [Member]
Noninterest income from contracts with customers within the scope of ASC 606	142	56	261	105
Trust Fee Income [Member]
Noninterest income from contracts with customers within the scope of ASC 606	201	0	372	0
Other Charges and Fees for Customer Services [Member]
Noninterest income from contracts with customers within the scope of ASC 606	$ 84	$ 56	$ 231	$ 120

X

- Definition

The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.

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Amount of revenue earned, classified as other, excluding interest income.

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Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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